OpenAI: gpt-oss-20b

openai/gpt-oss-20b

gpt-oss-20b is a 20B open-weight model, ranking #199 of 260 on the TryAii Score. Its best showing is #22 on MATH. It's served by 8 independent hosts from $0.018/$0.09 per million input/output tokens — about a quarter of what models at its level usually charge.

Prompt $/1M

$0.018

Completion $/1M

$0.090

Context

131,072 tok

Best provider

413 tok/s · Amazon Bedrock

Specs

Model id: openai/gpt-oss-20b
Display name: OpenAI: gpt-oss-20b
Modality: text->text
Tokenizer: GPT
Instruct type: —
Context length: 131,072
Max completion: 32,768
Prompt $/1M: $0.018
Completion $/1M: $0.090
Free tier: no

Capabilities

Function callingno
JSON modeno
System promptno
Visionno
Moderatedno

Benchmark scores

Each axis is one benchmark, normalized to the best model in the field.

No benchmark data for this model.

Speed by provider

Provider	tok/s	TTFT	Total latency
Amazon Bedrockfastest	413	408 ms	466 ms
Groq	385	280 ms	394 ms
Google	264	476 ms	763 ms
CoreWeave	241	144 ms	183 ms
Artificial Analysis	217	370 ms	—
DeepInfra	103	272 ms	391 ms
Parasail	61	1,614 ms	2,014 ms
SiliconFlow	57	1,235 ms	1,602 ms
AkashML	55	1,201 ms	1,944 ms
DekaLLM	50	777 ms	1,441 ms
Darkbloom	36	4,115 ms	6,229 ms